In the anime

Yanma's body glows white and it creates a see-through afterimage of itself. The afterimage then spins quickly and creates a silver ball in front of Yanma's body. Yanma then launches the ball at the opponent.

Tirtouga's body glows white and it creates a see-through afterimage of itself. The afterimage then spins quickly and creates a silver ball with a green core in front of Tirtouga's body. Tirtouga then fires the ball at the opponent.

Carracosta's body glows white and it creates a see-through afterimage of itself. The afterimage then spins quickly and forms in its flipper as a silver ball with a green core. It then hurls the ball at the opponent.

Trivia

Piloswine, which evolves into Mamoswine when leveled up knowing this move, has been able to learn it by breeding since the move's introduction. This trait is shared with Rollout, which has had a similar history with Lickitung.